Submission #940694

#	Time	Username	Problem	Language	Result	Execution time	Memory
940694		pakapu	3D Histogram (COCI20_histogram)	C++17	0 / 110	1 ms	348 KiB

histogram

#include <bits/stdc++.h>

using namespace std;

#define int long long

signed main()
{
	int n;
	cin >> n;

	vector<int> a(n);
	vector<int> b(n);

	for (int i = 0; i < n; i++) {
		cin >> a[i] >> b[i];
	}

	int curr_len = 1;
	int curr_min_a = a[0];
	int curr_min_b = b[0];
	int prev_ans = a[0] * b[0];
	int ans = a[0] * b[0];

	for (int i = 1; i < n; i++) {
		curr_min_a = min(curr_min_a, a[i]);
		curr_min_b = min(curr_min_b, b[i]);
		curr_len++;

		if (curr_min_a * curr_min_b * curr_len <= a[i] * b[i]) {
			curr_min_a = a[i];
			curr_min_b = b[i];
			curr_len = 1;
		}

		ans = max(ans, curr_min_a * curr_min_b * curr_len);
		prev_ans = curr_min_a * curr_min_b * curr_len;
	}

	cout << ans << '\n';

	return 0;
}

Compilation message (stderr)

histogram.cpp: In function 'int main()':
histogram.cpp:22:6: warning: variable 'prev_ans' set but not used [-Wunused-but-set-variable]
   22 |  int prev_ans = a[0] * b[0];
      |      ^~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 90